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Physics 9 Chapter 6 - Work and Energy - 3
1.
Upon which of the following factors, work depends?
a) All of these
b) Displacement of the body
c) The angle between them
d) The force acting on a body
2.
Which of the following units are equal to kgm
2
s
-2
?
a) Joule
b) Coulomb
c) Watt
d) Newton
3.
What is the SI unit of work?
a) Watt
b) Joule
c) Newton
d) Pascal
4.
When a force of one newton displaces a body through one metre in the direction of force, what is the amount of work done?
a) Half joule
b) Two joule
c) One joule
d) Four joule
5.
What is the value of joule?
a) Nm
-2
b) Nm
c) Nm
2
d) Pa
6.
Which of the following is the smaller unit of work?
a) Mega Joule
b) Kilo Joule
c) Giga Joule
d) Joule
7.
The bigger units of work are..................?
a) (c) Kilo joule
b) (a) Both b and c
c) (b) Mega joule
d) (d) Kilo watt
8.
Which of the following is the bigger unit of work?
a) Joule
b) Femto Joule
c) Pico Joule
d) Mega Joule
9.
Which of the following is the bigger unit of work?
a) Femto Joule
b) Joule
c) Pico Joule
d) Kilo Joule
10.
What is the value of 1 kilo joule?
a) 10
4
b) 10
6
c) 10
5
d) 10
3
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